Time and Work, Pipe and Cistern SSC CGL Questions

SSC CGL-Quantitative Aptitude

Time and Work, Pipe and Cistern MCQ Questions


7.
6 men and 8 women can do a piece of work in 10 days, whereas 26 men and 48 women can do the same work in 2 days. What will be the time taken by 15 men and 20 women to do the same work?
SSC CGL 2022-01.12.2022-4
A.
6 days
B.
10 days
C.
4 days
D.
8 days
😑 View Answer Rough Work Error
ANSWER :
C. 4 days
8.
A and B together can do a piece of work in 50 days. If A is 40% less efficient than B, in how many days can A working alone complete 60% of the work?
SSC CGL 2022-02.12.2022-4
A.
70
B.
110
C.
80
D.
105
😑 View Answer Rough Work Error
ANSWER :
C. 80
9.
Ruchi, Khushi and Teju can do a piece of work in 30, 40 and 60 days respectively. In how many days can Ruchi do the work, if she is assisted by both Khushi and Teju on every third day?
SSC CGL 2022-03.12.2022-1
A.
\( \frac{550}{12} \text{ days} \)
B.
\( \frac{85}{4} \text{ days} \)
C.
\( \frac{71}{2} \text{ days} \)
D.
\( \frac{360}{17} \text{ days} \)
😑 View Answer Rough Work Error
ANSWER :
B. \( \frac{85}{4} \text{ days} \)
10.
A and B working separately can complete a piece of work in 10 and 16 days, respectively. If they work for a day alternately, with A beginning the work, in how many day(s) will the work be completed?
SSC CGL 2022-03.12.2022-4
A.
\( 10 \frac{1}{4} \)
B.
\( 12 \frac{1}{4} \)
C.
\( 1 \frac{1}{4} \)
D.
\( \frac{1}{4} \)
😑 View Answer Rough Work Error
ANSWER :
B. \( 12 \frac{1}{4} \)
11.
A, B and C can do a piece of work in 11 days, 20 days and 55 days respectively. If B works daily and is supported by A and C on alternate days beginning with A, then in how many days will the work be finished?
SSC CGL 2022-06.12.2022-1
A.
10
B.
\( 9 \frac{1}{3} \)
C.
12
D.
8
😑 View Answer Rough Work Error
ANSWER :
B. \( 9 \frac{1}{3} \)
12.
A and B can complete a piece of work in 10 and 16 days respectively. A begins to do the work and they work alternatively one at a time for one day each. The whole work will be completed in:
SSC CGL 2022-06.12.2022-3
A.
 \(12\dfrac{1}{4}\) days
B.
 \(13\dfrac{1}{4}\) days
C.
 \(15\dfrac{1}{4}\) days
D.
 \(14\dfrac{1}{4}\) days
😑 View Answer Rough Work Error
ANSWER :
A.  \(12\dfrac{1}{4}\) days